by Thomas Kitchin, ... ; Geological map by L.A. Necker. Relief shown by hashures. Inset map: Shetland Isles Decorative cartouche. "Presented to the Geological Society by Mr A L Necker Novr 4th 1808." "Facsimile of Ms. Geological map, by L.A. Necker, 1808. Reproduced by kind permission of the Geological Society of London." "Scotland colored according to the rock formation."